Crovax, Ascendant Hero + Maha, Its Feathers Night

WB identity

Commander legal

The 2 combo pieces

• Crovax, Ascendant Hero
• Maha, Its Feathers Night

How to execute it

1. All nonwhite creatures your opponents control will have base toughness 0, and die as a state-based action due to having 0 toughness unless there is another effect increasing its toughness.
2. Whenever a nonwhite creature enters the battlefield under an opponent's control, it will have base toughness 0, and die as a state-based action due to having 0 toughness unless there is another effect increasing its toughness.

What the combo produces

• Lock
• Nonwhite creatures opponents control die upon entering
• Reduce the toughness of most creatures opponents control